forked from AuroraMiddleware/gtk
eef38289b2
Mon Feb 2 04:15:08 1998 Tim Janik <timj@gimp.org>
* gtk/gtkcontainer.h:
* gtk/gtkcontainer.c: GTK_RESIZE_NEEDED is a private flag now.
(gtk_container_register_toplevel): new function.
(gtk_container_unregister_toplevel): new function.
* gtk/gtkmain.c: GTK_LEAVE_PENDING is a private flag now.
* gtk/gtkmenu.c: call gtk_container_register_toplevel in
gtk_menu_class_init instead of this dirty gtk_widget_set_parent(,NULL)
hack. new default handler gtk_menu_destroy for calling
gtk_container_unregister_toplevel. removed GTK_ANCHORED, GTK_UNMAPPED.
* gtk/gtkobject.h: macro cleanups, added GTK_DESTROYED flag.
* gtk/gtkobject.c: only emit DESTROY signal if !GTK_OBJECT_DESTROYED
(object).
* gtk/gtkprivate.h: new file that will not be automatically included.
it holds the private flags for GtkWidget along with it's SET/UNSET
and examination macros.
* gtk/gtkwidget.c: private flags: GTK_RESIZE_NEEDED, GTK_REDRAW_PENDING,
GTK_RESIZE_PENDING, GTK_IN_REPARENT, GTK_USER_STYLE. GTK_ANCHORED is
replaced by GTK_TOPLEVEL. added missing UNSET for GTK_IN_REPARENT.
removed the gtk_widget_set_parent(, NULL) hack for toplevels.
upon destroy free memory for widgets with GTK_WIDGET_HAS_SHAPE_MASK.
* gtk/gtkwidget.h: split up the widget flags into a public and a private
portion. added an extra field private_flags to GtkWidget without making
it bigger by using an alignment gap of 16 bit. macro cleanups.
* gtk/gtkwindow.c: removed GTK_ANCHORED. new function gtk_window_destroy
for calling gtk_container_unregister_toplevel. removed the
gtk_widget_set_parent(,NULL), call gtk_container_register_toplevel
instead. remove GTK_UNMAPPED. GTK_RESIZE_NEEDED is private now.
* gtk/gtksignal.c (gtk_signal_disconnect): removed a bug on
removal that cut off the handler list -> living_objects == 0
with testgtk. made some warnings more descriptive.
new function gtk_signal_connect_object_while_alive, which
will automatically destroy the connection once one of the objects
is destroyed. didn't include this before removal of the above
mentioned bug.
* reflected refcounting revolution in ChangeLog
518 lines
19 KiB
C
518 lines
19 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __GTK_WIDGET_H__
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#define __GTK_WIDGET_H__
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#include <gdk/gdk.h>
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#include <gtk/gtkaccelerator.h>
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#include <gtk/gtkobject.h>
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#include <gtk/gtkstyle.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/* The flags that are used by GtkWidget on top of the
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* flags field of GtkObject.
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*/
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enum
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{
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GTK_TOPLEVEL = 1 << 4,
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GTK_NO_WINDOW = 1 << 5,
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GTK_REALIZED = 1 << 6,
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GTK_MAPPED = 1 << 7,
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GTK_VISIBLE = 1 << 8,
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GTK_SENSITIVE = 1 << 9,
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GTK_PARENT_SENSITIVE = 1 << 10,
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GTK_CAN_FOCUS = 1 << 11,
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GTK_HAS_FOCUS = 1 << 12,
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GTK_CAN_DEFAULT = 1 << 13,
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GTK_HAS_DEFAULT = 1 << 14,
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GTK_HAS_GRAB = 1 << 15,
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GTK_BASIC = 1 << 16
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};
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/* Macro for casting a pointer to a GtkWidget pointer.
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*/
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#define GTK_WIDGET(wid) GTK_CHECK_CAST ((wid), gtk_widget_get_type (), GtkWidget)
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/* Macro for casting the klass field of a widget to a GtkWidgetClass pointer.
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*/
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#define GTK_WIDGET_CLASS(klass) GTK_CHECK_CLASS_CAST ((klass), gtk_widget_get_type (), GtkWidgetClass)
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/* Macros for extracting various fields from GtkWidget and GtkWidgetClass.
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*/
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#define GTK_WIDGET_TYPE(wid) (GTK_OBJECT_TYPE (wid))
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#define GTK_WIDGET_STATE(wid) (GTK_WIDGET (wid)->state)
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#define GTK_WIDGET_SAVED_STATE(wid) (GTK_WIDGET (wid)->saved_state)
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/* Macros for extracting the widget flags from GtkWidget.
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*/
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#define GTK_WIDGET_FLAGS(wid) (GTK_OBJECT_FLAGS (wid))
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#define GTK_WIDGET_TOPLEVEL(wid) (GTK_WIDGET_FLAGS (wid) & GTK_TOPLEVEL)
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#define GTK_WIDGET_NO_WINDOW(wid) (GTK_WIDGET_FLAGS (wid) & GTK_NO_WINDOW)
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#define GTK_WIDGET_REALIZED(wid) (GTK_WIDGET_FLAGS (wid) & GTK_REALIZED)
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#define GTK_WIDGET_MAPPED(wid) (GTK_WIDGET_FLAGS (wid) & GTK_MAPPED)
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#define GTK_WIDGET_VISIBLE(wid) (GTK_WIDGET_FLAGS (wid) & GTK_VISIBLE)
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#define GTK_WIDGET_DRAWABLE(wid) (GTK_WIDGET_VISIBLE (wid) && GTK_WIDGET_MAPPED (wid))
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#define GTK_WIDGET_SENSITIVE(wid) (GTK_WIDGET_FLAGS (wid) & GTK_SENSITIVE)
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#define GTK_WIDGET_PARENT_SENSITIVE(wid) (GTK_WIDGET_FLAGS (wid) & GTK_PARENT_SENSITIVE)
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#define GTK_WIDGET_IS_SENSITIVE(wid) ((GTK_WIDGET_SENSITIVE (wid) && \
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GTK_WIDGET_PARENT_SENSITIVE (wid)) != 0)
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#define GTK_WIDGET_CAN_FOCUS(wid) (GTK_WIDGET_FLAGS (wid) & GTK_CAN_FOCUS)
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#define GTK_WIDGET_HAS_FOCUS(wid) (GTK_WIDGET_FLAGS (wid) & GTK_HAS_FOCUS)
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#define GTK_WIDGET_CAN_DEFAULT(wid) (GTK_WIDGET_FLAGS (wid) & GTK_CAN_DEFAULT)
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#define GTK_WIDGET_HAS_DEFAULT(wid) (GTK_WIDGET_FLAGS (wid) & GTK_HAS_DEFAULT)
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#define GTK_WIDGET_HAS_GRAB(wid) (GTK_WIDGET_FLAGS (wid) & GTK_HAS_GRAB)
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#define GTK_WIDGET_BASIC(wid) (GTK_WIDGET_FLAGS (wid) & GTK_BASIC)
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/* Macros for setting and clearing widget flags.
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*/
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#define GTK_WIDGET_SET_FLAGS(wid,flag) G_STMT_START{ (GTK_WIDGET_FLAGS (wid) |= (flag)); }G_STMT_END
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#define GTK_WIDGET_UNSET_FLAGS(wid,flag) G_STMT_START{ (GTK_WIDGET_FLAGS (wid) &= ~(flag)); }G_STMT_END
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/* Macros for testing whether "wid" is of type GtkWidget.
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*/
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#define GTK_IS_WIDGET(wid) GTK_CHECK_TYPE ((wid), GTK_TYPE_WIDGET)
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#define GTK_TYPE_WIDGET (gtk_widget_get_type ())
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typedef struct _GtkRequisition GtkRequisition;
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typedef struct _GtkAllocation GtkAllocation;
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typedef struct _GtkSelectionData GtkSelectionData;
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typedef struct _GtkWidget GtkWidget;
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typedef struct _GtkWidgetClass GtkWidgetClass;
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typedef struct _GtkWidgetAuxInfo GtkWidgetAuxInfo;
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typedef struct _GtkWidgetShapeInfo GtkWidgetShapeInfo;
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typedef void (*GtkCallback) (GtkWidget *widget,
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gpointer data);
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/* A requisition is a desired amount of space which a
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* widget may request.
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*/
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struct _GtkRequisition
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{
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guint16 width;
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guint16 height;
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};
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/* An allocation is a size and position. Where a widget
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* can ask for a desired size, it is actually given
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* this amount of space at the specified position.
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*/
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struct _GtkAllocation
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{
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gint16 x;
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gint16 y;
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guint16 width;
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guint16 height;
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};
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/* The contents of a selection are returned in a GtkSelectionData
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structure. selection/target identify the request.
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type specifies the type of the return; if length < 0, and
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the data should be ignored. This structure has object semantics -
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no fields should be modified directly, they should not be created
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directly, and pointers to them should not be stored beyond the duration of
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a callback. (If the last is changed, we'll need to add reference
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counting) */
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struct _GtkSelectionData
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{
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GdkAtom selection;
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GdkAtom target;
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GdkAtom type;
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gint format;
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guchar *data;
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gint length;
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};
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/* The widget is the base of the tree for displayable objects.
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* (A displayable object is one which takes up some amount
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* of screen real estate). It provides a common base and interface
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* which actual widgets must adhere to.
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*/
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struct _GtkWidget
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{
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/* The object structure needs to be the first
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* element in the widget structure in order for
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* the object mechanism to work correctly. This
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* allows a GtkWidget pointer to be cast to a
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* GtkObject pointer.
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*/
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GtkObject object;
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/* 16 bits of internally used private flags.
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* this will be packed into the same 4 byte alignment frame that
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* state and saved_state go. we therefore don't waste any new
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* space on this.
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*/
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guint16 private_flags;
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/* The state of the widget. There are actually only
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* 5 widget states (defined in "gtkenums.h").
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*/
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guint8 state;
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/* The saved state of the widget. When a widgets state
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* is changed to GTK_STATE_INSENSITIVE via
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* "gtk_widget_set_state" or "gtk_widget_set_sensitive"
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* the old state is kept around in this field. The state
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* will be restored once the widget gets sensitive again.
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*/
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guint8 saved_state;
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/* The widgets name. If the widget does not have a name
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* (the name is NULL), then its name (as returned by
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* "gtk_widget_get_name") is its classes name.
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* The widget name is used to determine the style to
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* use for a widget.
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*/
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gchar *name;
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/* The style for the widget. The style contains the
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* colors the widget should be drawn in for each state
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* along with graphics contexts used to draw with and
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* the font to use for text.
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*/
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GtkStyle *style;
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/* The widgets desired size.
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*/
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GtkRequisition requisition;
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/* The widgets allocated size.
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*/
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GtkAllocation allocation;
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/* The widgets window or its parent window if it does
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* not have a window. (Which will be indicated by the
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* GTK_NO_WINDOW flag being set).
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*/
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GdkWindow *window;
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/* The widgets parent.
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*/
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GtkWidget *parent;
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};
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struct _GtkWidgetClass
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{
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/* The object class structure needs to be the first
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* element in the widget class structure in order for
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* the class mechanism to work correctly. This allows a
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* GtkWidgetClass pointer to be cast to a GtkObjectClass
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* pointer.
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*/
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GtkObjectClass parent_class;
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/* The signal to emit when an object of this class is activated.
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* This is used when activating the current focus widget and
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* the default widget.
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*/
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gint activate_signal;
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/* basics */
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void (* show) (GtkWidget *widget);
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void (* hide) (GtkWidget *widget);
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void (* show_all) (GtkWidget *widget);
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void (* hide_all) (GtkWidget *widget);
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void (* map) (GtkWidget *widget);
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void (* unmap) (GtkWidget *widget);
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void (* realize) (GtkWidget *widget);
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void (* unrealize) (GtkWidget *widget);
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void (* draw) (GtkWidget *widget,
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GdkRectangle *area);
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void (* draw_focus) (GtkWidget *widget);
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void (* draw_default) (GtkWidget *widget);
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void (* size_request) (GtkWidget *widget,
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GtkRequisition *requisition);
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void (* size_allocate) (GtkWidget *widget,
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GtkAllocation *allocation);
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void (* state_changed) (GtkWidget *widget,
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guint previous_state);
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/* accelerators */
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gint (* install_accelerator) (GtkWidget *widget,
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const gchar *signal_name,
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gchar key,
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guint8 modifiers);
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void (* remove_accelerator) (GtkWidget *widget,
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const gchar *signal_name);
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/* events */
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gint (* event) (GtkWidget *widget,
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GdkEvent *event);
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gint (* button_press_event) (GtkWidget *widget,
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GdkEventButton *event);
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gint (* button_release_event) (GtkWidget *widget,
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GdkEventButton *event);
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gint (* motion_notify_event) (GtkWidget *widget,
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GdkEventMotion *event);
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gint (* delete_event) (GtkWidget *widget,
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GdkEventAny *event);
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gint (* destroy_event) (GtkWidget *widget,
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GdkEventAny *event);
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gint (* expose_event) (GtkWidget *widget,
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GdkEventExpose *event);
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gint (* key_press_event) (GtkWidget *widget,
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GdkEventKey *event);
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gint (* key_release_event) (GtkWidget *widget,
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GdkEventKey *event);
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gint (* enter_notify_event) (GtkWidget *widget,
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GdkEventCrossing *event);
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gint (* leave_notify_event) (GtkWidget *widget,
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GdkEventCrossing *event);
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gint (* configure_event) (GtkWidget *widget,
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GdkEventConfigure *event);
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gint (* focus_in_event) (GtkWidget *widget,
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GdkEventFocus *event);
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gint (* focus_out_event) (GtkWidget *widget,
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GdkEventFocus *event);
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gint (* map_event) (GtkWidget *widget,
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GdkEventAny *event);
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gint (* unmap_event) (GtkWidget *widget,
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GdkEventAny *event);
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gint (* property_notify_event) (GtkWidget *widget,
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GdkEventProperty *event);
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gint (* selection_clear_event) (GtkWidget *widget,
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GdkEventSelection *event);
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gint (* selection_request_event) (GtkWidget *widget,
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GdkEventSelection *event);
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gint (* selection_notify_event) (GtkWidget *widget,
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GdkEventSelection *event);
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gint (* proximity_in_event) (GtkWidget *widget,
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GdkEventProximity *event);
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gint (* proximity_out_event) (GtkWidget *widget,
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GdkEventProximity *event);
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gint (* drag_begin_event) (GtkWidget *widget,
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GdkEventDragBegin *event);
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gint (* drag_request_event) (GtkWidget *widget,
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GdkEventDragRequest *event);
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gint (* drop_enter_event) (GtkWidget *widget,
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GdkEventDropEnter *event);
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gint (* drop_leave_event) (GtkWidget *widget,
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GdkEventDropLeave *event);
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gint (* drop_data_available_event) (GtkWidget *widget,
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GdkEventDropDataAvailable *event);
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gint (* other_event) (GtkWidget *widget,
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GdkEventOther *event);
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/* selection */
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void (* selection_received) (GtkWidget *widget,
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GtkSelectionData *selection_data);
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gint (* client_event) (GtkWidget *widget,
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GdkEventClient *event);
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gint (* no_expose_event) (GtkWidget *widget,
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GdkEventAny *event);
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};
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struct _GtkWidgetAuxInfo
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{
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gint16 x;
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gint16 y;
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guint16 width;
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guint16 height;
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};
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struct _GtkWidgetShapeInfo
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{
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gint16 offset_x;
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gint16 offset_y;
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GdkBitmap *shape_mask;
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};
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guint gtk_widget_get_type (void);
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GtkWidget* gtk_widget_new (guint type,
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...);
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GtkWidget* gtk_widget_newv (guint type,
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guint nargs,
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GtkArg *args);
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void gtk_widget_ref (GtkWidget *widget);
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void gtk_widget_unref (GtkWidget *widget);
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void gtk_widget_sink (GtkWidget *widget);
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void gtk_widget_destroy (GtkWidget *widget);
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void gtk_widget_destroyed (GtkWidget *widget,
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GtkWidget **widget_pointer);
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void gtk_widget_get (GtkWidget *widget,
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GtkArg *arg);
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void gtk_widget_getv (GtkWidget *widget,
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guint nargs,
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GtkArg *args);
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void gtk_widget_set (GtkWidget *widget,
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...);
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void gtk_widget_setv (GtkWidget *widget,
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guint nargs,
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GtkArg *args);
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void gtk_widget_unparent (GtkWidget *widget);
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void gtk_widget_show (GtkWidget *widget);
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void gtk_widget_hide (GtkWidget *widget);
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void gtk_widget_show_all (GtkWidget *widget);
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void gtk_widget_hide_all (GtkWidget *widget);
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void gtk_widget_map (GtkWidget *widget);
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void gtk_widget_unmap (GtkWidget *widget);
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void gtk_widget_realize (GtkWidget *widget);
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void gtk_widget_unrealize (GtkWidget *widget);
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void gtk_widget_queue_draw (GtkWidget *widget);
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void gtk_widget_queue_resize (GtkWidget *widget);
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void gtk_widget_draw (GtkWidget *widget,
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GdkRectangle *area);
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void gtk_widget_draw_focus (GtkWidget *widget);
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void gtk_widget_draw_default (GtkWidget *widget);
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void gtk_widget_draw_children (GtkWidget *widget);
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void gtk_widget_size_request (GtkWidget *widget,
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GtkRequisition *requisition);
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void gtk_widget_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation);
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void gtk_widget_install_accelerator (GtkWidget *widget,
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GtkAcceleratorTable *table,
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const gchar *signal_name,
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gchar key,
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guint8 modifiers);
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void gtk_widget_remove_accelerator (GtkWidget *widget,
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GtkAcceleratorTable *table,
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const gchar *signal_name);
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gint gtk_widget_event (GtkWidget *widget,
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GdkEvent *event);
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void gtk_widget_activate (GtkWidget *widget);
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void gtk_widget_reparent (GtkWidget *widget,
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GtkWidget *new_parent);
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void gtk_widget_popup (GtkWidget *widget,
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gint x,
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gint y);
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gint gtk_widget_intersect (GtkWidget *widget,
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GdkRectangle *area,
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GdkRectangle *intersection);
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gint gtk_widget_basic (GtkWidget *widget);
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void gtk_widget_grab_focus (GtkWidget *widget);
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void gtk_widget_grab_default (GtkWidget *widget);
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void gtk_widget_set_name (GtkWidget *widget,
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const gchar *name);
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gchar* gtk_widget_get_name (GtkWidget *widget);
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void gtk_widget_set_state (GtkWidget *widget,
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GtkStateType state);
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void gtk_widget_set_sensitive (GtkWidget *widget,
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gint sensitive);
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void gtk_widget_set_parent (GtkWidget *widget,
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GtkWidget *parent);
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void gtk_widget_set_parent_window (GtkWidget *widget,
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GdkWindow *parent_window);
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GdkWindow *gtk_widget_get_parent_window (GtkWidget *widget);
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void gtk_widget_set_style (GtkWidget *widget,
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GtkStyle *style);
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void gtk_widget_set_uposition (GtkWidget *widget,
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gint x,
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gint y);
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void gtk_widget_set_usize (GtkWidget *widget,
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gint width,
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gint height);
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void gtk_widget_set_events (GtkWidget *widget,
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gint events);
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void gtk_widget_set_extension_events (GtkWidget *widget,
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GdkExtensionMode mode);
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GtkWidget* gtk_widget_get_toplevel (GtkWidget *widget);
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GtkWidget* gtk_widget_get_ancestor (GtkWidget *widget,
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gint type);
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GdkColormap* gtk_widget_get_colormap (GtkWidget *widget);
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GdkVisual* gtk_widget_get_visual (GtkWidget *widget);
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GtkStyle* gtk_widget_get_style (GtkWidget *widget);
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gint gtk_widget_get_events (GtkWidget *widget);
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GdkExtensionMode gtk_widget_get_extension_events (GtkWidget *widget);
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void gtk_widget_get_pointer (GtkWidget *widget,
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gint *x,
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gint *y);
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gint gtk_widget_is_ancestor (GtkWidget *widget,
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GtkWidget *ancestor);
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gint gtk_widget_is_child (GtkWidget *widget,
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GtkWidget *child);
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void gtk_widget_push_colormap (GdkColormap *cmap);
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void gtk_widget_push_visual (GdkVisual *visual);
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void gtk_widget_push_style (GtkStyle *style);
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void gtk_widget_pop_colormap (void);
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void gtk_widget_pop_visual (void);
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void gtk_widget_pop_style (void);
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void gtk_widget_set_default_colormap (GdkColormap *colormap);
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void gtk_widget_set_default_visual (GdkVisual *visual);
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void gtk_widget_set_default_style (GtkStyle *style);
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/* Tells other Gtk applications to use the same default style */
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void gtk_widget_propagate_default_style(void);
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GdkColormap* gtk_widget_get_default_colormap (void);
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|
GdkVisual* gtk_widget_get_default_visual (void);
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GtkStyle* gtk_widget_get_default_style (void);
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|
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/*
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* see gdk_window_shape_combine_mask
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*/
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void gtk_widget_shape_combine_mask (GtkWidget *widget,
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GdkBitmap *shape_mask,
|
|
gint offset_x,
|
|
gint offset_y);
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|
|
|
/*
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* When you get a drag_enter event, you can use this to tell Gtk of other
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* items that are to be dragged as well...
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*/
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void gtk_widget_dnd_drag_add (GtkWidget *widget);
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/*
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* These two functions enable drag and/or drop on a widget,
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* and also let Gtk know what data types will be accepted (use MIME type
|
|
* naming, plus tacking "URL:" on the front for link dragging)
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|
*/
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void gtk_widget_dnd_drag_set (GtkWidget *widget,
|
|
guint8 drag_enable,
|
|
gchar **type_accept_list,
|
|
guint numtypes);
|
|
void gtk_widget_dnd_drop_set (GtkWidget *widget,
|
|
guint8 drop_enable,
|
|
gchar **type_accept_list,
|
|
guint numtypes,
|
|
guint8 is_destructive_operation);
|
|
|
|
/*
|
|
* used to reply to a DRAG_REQUEST event - if you don't want to
|
|
* give the data then pass in NULL for it
|
|
*/
|
|
void gtk_widget_dnd_data_set (GtkWidget *widget,
|
|
GdkEvent *event,
|
|
gpointer data,
|
|
gulong data_numbytes);
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|
|
|
#ifdef __cplusplus
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|
}
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#endif /* __cplusplus */
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#endif /* __GTK_WIDGET_H__ */
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